单项选择题

A good writing ______ clear organization and choices of words.

A. calls on
B. calls for
C. calls up
D. calls off
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单项选择题
My sister's professor had her ______ her paper many times before presenting it to the committee.
A. rewrite
B. to rewrite
C. rewrote
D. rewriting
单项选择题
If you don't know the meaning of the word, you simply can ______ a dictionary.
A. make out
B. go over
C. look up
D. refer to
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